Weeding Policy

The Wissahickon Valley Public Library serves a population of 35,410 between the main library in Blue Bell and the branch library in Ambler, Montgomery County, Pennsylvania. The library is funded through real estate taxes, state aid, and donations. The professional staff (11) consists of the following: library director, Ambler branch librarian, cataloguer, 2 children’s librarians, reference/tech support librarian, community outreach librarian and 4 weekend reference librarians. Other senior staff members (5) include: a bookkeeper, 2 circulation supervisors, an administrative assistant and a tech support/library assistant. Of the other 30 employees, there are 16 circulation desk library assistants, 10 pages, a tech support person, a book processing library assistant, book delivery person, and maintenance person. There are also 45 regular volunteers.

The size of the collection is 135,828 materials, including 15,592 audiovisual materials. Patrons have access to 192 print serial subscriptions. They also have Internet access to the Power Library Databases, Gale Contemporary Criticism, The Philadelphia Inquirer & Ambler Gazette Archives and downloadable audio books.

Guidelines for Review

Local history is not weeded, all other materials should be reviewed using the MUSTIE guidelines. Weed materials that are:

M = Misleading (or factually inaccurate)

U = Ugly, (worn and beyond mending)

S = Superseded (by a new edition or a better book on the subject)

T = Trivial (of no discernible literary or scientific merit)

I = Irrelevant to the needs and interests of the community

E = The material may be obtained expeditiously Elsewhere through borrowing from another MCLINC or interlibrary loan

List of Suggested Steps in Weeding Process

Print a list of materials in the section that will be weeded that have not been checked out for 2 years if fiction, use CREW Formula for non-fiction.

Pull the materials from the list. You may use a volunteer if one is available and willing.

Apply the CREW Chart (Appendix A) to non-fiction materials and the Book Condition Chart (Appendix B) to both non-fiction and fiction materials to determine whether to keep or discard. Consider whether an item is in a series when weeding fiction.

If necessary, consult H.W. Wilson’s catalogs for fiction and non-fiction to see if the book belongs in the core collection.

Keep award-winning materials, but only reorder new, popular materials that have been damaged.

Delete electronic record of material in online catalog.

Volunteers or staff stamp material “discard” and destroy barcode.

Discarded Materials

Delete electronic records for discarded materials before:

Books considered appropriate for sale (good condition fiction and non-fiction) will be given to the Friends of the Library.

Books will be donated to charitable organizations upon their request.

Remaining books will be discarded and recycled at the discretion of the librarians.

Serials Policy

Print serials will be kept for 1-2 years.

Newspapers will be kept for 1-3 months.

Appendix A: Overview of CREW Formula for Non-Fiction

General Dewey DecimalClassification Number

Specific Dewey Decimal Classification Number

Number Years Acceptable to Retain Based on Copyright Date

Number Years Acceptable to Retain if Not Circulated

000

004

011

020

030

Others

3

7

5

5

5

2

2

3

5

2

100

133

150

160

Others

10

7

7

7

5

3

3

3

200

All

10

5

300

310

320

330

340

350

360

370

390

Others

2

7

5

7

7

5

5

7

7

2

3

3

3

3

3

2

5

5

400

All

10

5

500

510

550

570

580

Others

10

N/A

10

10

10

5

5

5

5

5

600

610

630

635

640

649

650

690

Others

5

5

10

5

5

5

7

7

3

5

5

5

3

3

5

5

700

745

770

790

Others

10

5

7

10

3

3

5

5

800

All

N/A

5

900

B

910

Others

Biography

5

10

N/A

2

5

3

Appendix B: Book Condition Chart

Pull for librarian’s review, any book that is in poor condition due to: